金钱树的生长特性和生长性状间相关分析-论文.pdf

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1、热带作物学报2014，35(4)：649—654ChineseJournalofTropicalCrops金钱树的生长特性和生长性状间相关分析王代容，钱仁卷，廖飞雄广东省农业科学院环境园艺研究所1广东省园林花卉种质资源综合利用重点实验室广东广州510640广州市热带盆栽观赏植物行业工程技术研究中心2浙江省亚热带作物研究所．浙江温州325005摘要金钱树(Zamioculcaszamiifolia)是栽培规模和应用最多的新优观叶植物之一以13年生植株为材料．系统研究其生长特性，分析影响生长的性状间的相互关系。金钱树由地上部粗大羽状复叶、地下膨大块状结构和根系构成；复叶的生长呈S型曲线，完

2、成需81～113d，可分为萌芽期、复叶伸长期和成熟期；具肉质肥大地下块茎，含水量高达96％以上。是重要的贮水和繁殖器官。生长性状相关与回归分析表明地上部鲜重与叶柄径粗、小叶厚、新芽数、块茎重等的性状均达到极显著相关；地上、地下两部分生长的负相关性达到极显著水平，两者具有相互消长的关系；小叶厚度反映生长充实程度．强烈地影响地上部鲜重、新芽形成等生长性状。关键词观叶植物；天南星科；生长；相关性中图分类号$682．36文献标识码AGrowthCharacteristicsandCoherenceAnalysisAmongTraitsInvolvedinGrowthofZamioculcasz

3、amiifolia(Lodd．)EnglWANGDairong。QIANRenjuan’29LIAOFeixiong1EnvironmentalHorticultureResearchInstitute，GuangdongAcademyofagricuhuralSciences／GuangdongKeyLabofOrnamentalPlantGermplasmInnovationandUtilization／GuangzhouMunicipalEngineeringandTechnologyCenterforPottedTropicalOrnamentals，Guangzhou，Gua

4、ngdong5106402ZhejiangProvincialResearchInstituteofSubtropicalCrop，Wenzhou,Zhejiang325005AbstractZamioculcaszamiifolia(ZZ)isoneofthenewexcellentfoliageplantswiththelargest-scalegrowingandindooruseinChinarecent10years．Fewstudiesonitsgrowthcharacteristicshavebeenreported．Thegrowthcharacteristics，co

5、herenceanalysisamongthemaingrowthtraitswerestudiedusing1to3-yearoldplantsasthetestmaterials．Theplanthasthickandlargepinnateaboveground，largenumberofbigrootsandstouttuberstructureunderground．Theplantproducesnewpinnatefor2-3timesaroundtheyearinsubtropicalarea．ThepinnategrowsastheS-shapedcurvewhich

6、couldbedividedintothreegrowthstagesofbuddevelopmentandsprout，pinnatestretchingandleafletmaturity．Thespanofpinnategrowthwasfrom81to113d．Theundergroundtuberscontainingupto96％waterisanimportantwaterstorageandpropagationorgan．Coherenceandregressionanalysisofgrowthtraitsshowedthatapositivecorrelation

7、existedbetweenpinnateaxisdiameter，leafletthickness，newshootnumber，tuberfleshweightandshootfleshweight．Averysignificantnegativecorrelationbetweenaerialshootfleshweightandrhizomefreshweightreflectedthecontrastingrelationshipof